128163478560

Names of 128163478560

• Cardinal: 128163478560 can be written as One hundred twenty-eight billion, one hundred sixty-three million, four hundred seventy-eight thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.2816347856 × 10¹¹

Factors of 128163478560

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 34944

Divisors of 128163478560

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 31 32 38 39 40 48 52 57 60 62 65 76 78 80 93 95 96 104 114 120 124 130 152 155 156 160 186 190 195 208 228 240 247 248 260 285 304 310 312 372 380 390 403 416 456 465 480 494 496 520 570 589 608 620 624 741 744 760 780 806 912 930 988 992 1040 1140 1178 1209 1235 1240 1248 1482 1488 1520 1560 1612 1767 1824 1860 1976 2015 2080 2280 2356 2418 2470 2480 2945 2964 2976 3040 3120 3224 3534 3705 3720 3952 4030 4560 4712 4836 4940 4960 5890 5928 6045 6240 6448 7068 7410 7440 7657 7904 8060 8835 9120 9424 9672 9880 11780 11856 12090 12896 14136 14820 14880 15314 16120 17670 18848 19344 19760 22971 23560 23712 24180 28272 29640 30628 32240 34871 35340 38285 38688 39520 45942 47120 48360 56544 59280 61256 64480 69742 70680 76570 91884 94240 96720 104613 114855 118560 122512 139484 141360 153140 174355 183768 193440 209226 229710 245024 278968 282720 306280 348710 367536 418452 453323 459420 523065 557936 612560 662549 697420 735072 836904 906646 918840 1046130 1081001 1115872 1225120 1325098 1359969 1394840 1673808 1813292 1837680 1987647 2092260 2162002 2266615 2650196 2719938 2789680 3243003 3312745 3347616 3626584 3675360 3975294 4184520 4324004 4533230 5300392 5405005 5439876 5579360 6486006 6625490 6799845 7253168 7950588 8369040 8613137 8648008 9066460 9938235 10600784 10810010 10879752 12972012 13250980 13599690 14053013 14506336 15901176 16215015 16738080 17226274 17296016 18132920 19876470 20539019 21201568 21620020 21759504 25839411 25944024 26501960 27199380 28106026 31802352 32430030 34452548 34592032 36265840 39752940 41078038 42159039 43065685 43240040 43519008 51678822 51888048 53003920 54398760 56212052 61617057 63604704 64860060 68905096 70265065 72531680 79505880 82156076 84318078 86131370 86480080 102695095 103357644 103776096 106007840 108797520 112424104 123234114 129197055 129720120 137810192 140530130 159011760 164312152 168636156 172262740 172960160 205390190 206715288 210795195 217595040 224848208 246468228 258394110 259440240 267007247 275620384 281060260 308085285 318023520 328624304 337272312 344525480 410780380 413430576 421590390 449696416 492936456 516788220 518880480 534014494 562120520 616170570 657248608 674544624 689050960 801021741 821560760 826861152 843180780 985872912 1033576440 1068028988 1124241040 1232341140 1335036235 1349089248 1378101920 1602043482 1643121520 1686361560 1971745824 2067152880 2136057976 2248482080 2464682280 2670072470 3204086964 3286243040 3372723120 4005108705 4134305760 4272115952 4929364560 5340144940 6408173928 6745446240 8010217410 8544231904 9858729120 10680289880 12816347856 16020434820 21360579760 25632695712 32040869640 42721159520 64081739280 128163478560
• Sum of all divisors σ(n): 472429117440
• Sum of proper divisors (its aliquot sum) s(n): 344265638880
• 128163478560 is an abundant number, because the sum of its proper divisors (344265638880) is greater than itself. Its abundance is 216102160320

Bases of 128163478560

• Binary: 1110111010111001000110111110000100000₂
• Hexadecimal: 0x1DD7237C20
• Base-36: 1MVL84YO

Squares and roots of 128163478560

• 128163478560 squared (128163478560²) is 16425877236599579673600
• 128163478560 cubed (128163478560³) is 2105197565042122276802445398016000
• The square root of 128163478560 is 357999.2717311029
• The cube root of 128163478560 is 5041.8288084797

Scales and comparisons

• 128,163,478,560 seconds is equal to 4,075 years, 10 weeks, 3 days, 14 hours, 16 minutes.
• To count from 1 to 128,163,478,560 would take you about eight thousand, one hundred fifty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 128163478560 cubic inches would be around 420.2 feet tall.

Recreational maths with 128163478560

• 128163478560 backwards is 065874361821
• The number of decimal digits it has is: 12
• The sum of 128163478560's digits is 51
• More coming soon!